Sedarian County is a county located in the state of Rowia, having been founded in 1870 or 1880 (Date of Foundation Unknown), its population is 43,992 and its seat is Loma, with a population of 42,034 inhabitants, there is a district in the county too, whose name is Romigton, the two cities were affected by the 2020 Derecho, which hit the central part of Rowia.

The county's economy is focused on its large tourist base, as the city of Loma is called a historic city, so many people travel to the county to see what 19th century Robloxia was like. The county grew a lot during its lifetime, but was destroyed by a derecho, an event called "The Fall of Romington"