The historic town centre is well preserved and is protected by law as an urban monument zone.

Náměšť nad Oslavou consists of four municipal parts (in brackets population according to the 2021 census):[2] Náměšť nad Oslavou is located about 20 kilometres (12 mi) east of Třebíč and 31 km (19 mi) west of Brno.

The southern part of the municipal territory with most of the built-up area lies in the Jevišovice Uplands.

The northern part lies in the Křižanov Highlands and includes the highest point of Náměšť nad Oslavou at 455 m (1,493 ft) above sea level.

Náměšť nad Oslavou is located on the railway line Brno–Plzeň via Třebíč and České Budějovice.

[11] Náměšť nad Oslavou Castle is the main landmark of the town and a national cultural monument.