From the Wikipedia page 
Pfarrkirchen is a municipality in southern Lower Bavaria Germany, the capital of the district Rottal-Inn. It has about 12,500 inhabitants and is an important school centre with about 10,000 pupils from all over Lower Bavaria. The town spreads over an area of about 52 square kilometers and lies approximately 377 meters above sea level. Pfarrkirchen lies at the small river "Rott", which gives the "Rottal" region its name.