Mostari

Mostari is a fictional city designed to illustrate a coastal regional capital. Set on the western coast of the continent of Neridia, it serves as the administrative seat of the province of Valeris and sits at the mouth of two rivers, forming a natural harbor.

Mostari's core urban area preserves medieval street patterns around a fortified old town, while later neighborhoods add neoclassical boulevards and modern districts. The climate is temperate, with dry summers and moderately wet winters, influenced by sea breezes.

Historically, Mostari developed as a trading post in the 12th century. It grew through maritime commerce, textiles, and timber, and flourished under regional merchant governance before enduring sieges in the early modern era. In the 19th century it joined a centralized state, and the 20th century brought rail connections, industrial diversification, and population growth.

Today the municipality has about 120,000 residents. Mostarians speak the regional language Mostari, with multilingual pockets including neighboring dialects. The city is governed by a mayor and an elected city council, with administrative divisions for urban and hinterland districts.

Its economy centers on the port, fishing, logistics, and light manufacturing, supported by a university campus and research institutes on marine sciences and urban planning. Cultural life emphasizes the annual Maritime Festival, historic architecture, and a university museum district.