Os Alta is the capital of Ravka. Togehter with Os Kervo, it's the biggest and most important city in Ravka. Furthermore, Os Alta is the political and cultural center of Ravka, being the place where the Grand Palace and the Little Palace are located.
Os Alta is the place, where the rich, influential and powerful elite of the country lives. In aristocratic circles, having a winter residence in Os Alta, is very popular. So does Duke Keramsov, the founder of the orphanage at Keramzin.
The city is divided into two parts: the outer area is similar to the small and poor villages and towns in the rest of the country. Here do the plebeians live. The inner part of the city, divided from the outer part by a ditch, is home to the rich and powerful of Ravka with palaces, boulevards, avenues, fountains and symmetrical gardens. In this part of the city the royal household is situated.