The population of Trinia currently stands at about thirty-one million. There are three major concentrations of people within the country, all focused on major rivers — the lower Vulni in the west, the Isŭl and Źelena in the southeast, and the Laţin in the north. The capital, Kurin, is located in the delta of the Vulni river, and this is by far the most populated area of Trinia. The least populous regions are the Velamnoćul mountains, which divide the country from east to west, and the plains of Aḱănja, in the southwest.
As already mentioned, the most populous city in Trinia is Kurin, the capital. There are approximately 1.7 million people within its current official city limits, and a grand total of around 3.3 million people in the wider Vulni delta area. (This figure includes the satellite towns of Romalir and Irĭn, but not more distant places such as Viŭris, Sanćarin, and Murivelinos — if they were included, the total would rise to around 4.5 million.)
After Kurin, the largest cities of Trinia are Cordăma and Melaker, both of which have somewhat under a million people living within their official boundaries. (Looser definitions give them over two million people each, although not enough to rival Kurin.) Following them are Zotĕa (around 700,000), Viŭris (600,000), Kaişur (500,000), Arkay and Lior (both 500,000), and Dunisiălun (400,000). Due to a modest but constant flow of people to urban areas from the countryside, most larger cities in Trinia are growing, and by the same token, the numbers for smaller rural towns are often static or falling unless there is significant non-agricultural industry (such as mining or lumber) in the vicinity. This all reflects the evolution of Trinia's economy — farming, while still important, is not as fundamental as it once was.
Trinia was established as a fusion of two major cultural groups: the Tiŕănese, who were the area's original inhabitants, and the Quorians, who were settlers originating in the great northern empire of Liliana. All modern Trinian culture draws on both these two sources, but the unique characteristics of each one are still visible separately as well. The Tiŕănese heartland was in the north, and in Melaţin province, the Tiŕănese legacy is still noticeable. Aḱănja, the only area in the south to remain largely Tiŕănese, has its own distinctive traditions as well. The legacy of the Quorians, meanwhile, is particularly obvious in the provinces of Vulni, Armenar, and Eźuăna. Velamneşĭr, in the mountains which separate north from south, has a mixed heritage, having been settled by people from both cultures. And finally, the small province northern of Arkay has its own tradition independent of both the Tiŕănese and the Quorians, reflecting instead the foreign origins of the Arkayan population.
Within the major cultural groups, there are distinctions. The Quorians, for example, can be divided into westerners and easterners — the former live in the province of Vulni and are culturally centred on the city of Kurin, while the latter live in the provinces of Armenar and Eźuăna. The Armeno-Eźuănian group have a number of cultural connections to the neighbouring country of Solelhada, giving rise to traditions which are not found further west. Even within these groups, there are differences — Armenar and Eźuăna are by no means identical in their heritage, and certain differences exist in Vulni between the coastal plain and the upper, inland regions. Likewise, the Tiŕănese cultural group has its divisions — the Aḱănji people have a certain amount of cultural separation from the main group to match their physical separation, and even in Melaţin, the regions of Mianćir and Diŭsa both stand culturally apart from the Melaţinian heartland. Velamneşĭr, due to the fusion of cultures which occured there even before the unification of Trinia, also has its own characteristics distinct from either side. Only Arkay is largely homogeneous in itself.
Of course, it is also necessary to acknowledge the significant influence that the rest of the world has on Trinia's culture. Foreign music, foreign clothes, foreign food, and foreign ideas have all found a home in modern Trinia, especially with the younger generation. This has gone hand in hand with the economic modernisation of Trinia, and naturally, it the potential for cultural exchange will only increase as Trinia becomes more engaged with today's globalised world.
Provinces: Vulni, Armenar, Eźuăna, Velamneşĭr
The Quorians are descended from settlers who arrived in the region in the 16th Century BP. They came from the great empire of Liliana in the north, and arrived by two different routes - some sailed down the continent's western coast, founding the port city of Kurin, and some came overland from from earlier coastal settlements in what is now Solelhada, to the east. As time went on, the two branches of colonists moved further inland, eventually settling the Torlon Gap — this bridged the divide between the two areas of Quorian settlement, and created the axis along which a united Trinia would eventually be founded.
Although the Quorians brought many aspects of Liliani culture with them when they arrived in their new homeland, there have naturally been a great many changes throughout the intervening years. Some are simply the result of natural evolution, or of adaptation to different circumstances, but others have undoubtedly been sped by the extensive interaction that the Quorians had with the Tiŕănese — in particular, the Quorians eventually adopted the Tiŕănese religion. Today, it can be difficult to tell what is Quorian and what is Tiŕănese, but there are certain things which can definitely be ascribed to Quorian tradition — the domes and marble arches of Kurin, for example, and the elaborate mosaics which form an important part of Trinia's artistic heritage. The Liliani language, brought to Trinia by the Quorians, is also evident in the modern Trinian language, although the influence of the Tiŕănese languages has been strong enough that it is sometimes difficult to tell.
The name "Quorian" (or Kŭorania, in Trinian) is of uncertain origin, although it has been suggested that it ultimately derives from the Liliani word for "seek" — a reference to the desire of the Quorian settlers for new lands.
Provinces: Melaţin, Aḱănja, Velamneşĭr
As the first inhabitants of Trinia, the Tiŕănese have naturally had a very significant impact on the country's culture. Originally, Tiŕănese were found across the whole country, but Quorian colonisation many centuries ago established new patterns. Today, most of northern Trinia is predominantly of Tiŕănese heritage, as is the province of Aḱănja, although Tiŕănese undercurrents can still be detected throughout the whole country — even where the Quorians became a majority, the Tiŕănese tribes who were absorbed into the new society brought certain traditions with them.
The contributions of the Tiŕănese to the united culture they are now part of are numerous. Perhaps the most historically significant of these is the Astriulite religion, which is now followed by most Trinians — the Quorians had their own gods, but in the new mixed society, the superior organisation of the Tiŕănese religious institutions resulted in them becoming predominant. Tiŕănese influence is also evident in traditional Trinian music, in the calendar, and in the architectural styles of those provinces where Tiŕănese presence has been greatest.
The word "Tiŕăn" is the modern form of the ancient Tiŕănese name "T'Ran", which belonged first to a city and then to that city's empire. The modern name "Trinia" is directly derived from Quorian renderings of "T'Ran", which was the cultural apex of the ethnic group now named after it even though the empire itself had largely collapsed before the Quorians arrived.
Although not nearly as large as the Quorian and Tiŕănese cultural groups, and consequently without such extensive influence on Trinian culture as a whole, the distinctive qualities of Arkayan culture are sufficient for it to be considered a third tradition within the broader heritage of Trinia. Arkayan culture is essentially a fusion of Trinian ways (both Quorian and Tiŕănese) with the customs and traditions of the Angliyaan people, of whom most Arkayans are ethnic descendants. The city and province of Arkay have been part of Trinia for long enough to be fundamentally Trinian, but this does not mean that all aspects of the Arkayans' foreign origin have vanished — many still speak a dialect of Angliyaan in addition to Trinian, for example, and many of the festivals, folk tales, and traditional arts of the Angliyaans have been kept alive despite Arkay's cultural and political separation from Angliyaa proper.