Ub (Serbian Cyrillic: Уб) is a town and municipality located in the Kolubara District of western Serbia.

The most important of the cultural and historical monuments of Ub is certainly the church - monastery in the village Dokmir, dating from the fifteenth century.

Students profile and interests that are acquired at the end of school (grammar school is general education profile, while a secondary technical school represented sections: machine in computer design, auto mechanics, body mechanic, waiter, cook, textile worker, trade technician, dealer, locksmith, locksmith and lathe), generally meet the needs of municipalities and the environment, which confirms the high occupancy rate, which generally meet existing needs.

The industrial railway is passing through the territory and serves only to economic activity and to the open pit mines Kolubara.

Especially important transportation development opportunities and activities that monitor traffic can be achieved by building the Belgrade - Southern Adria highway route, which passes near the City of Ub.

The following table gives a preview of total number of registered people employed in legal entities per their core activity (as of 2018):[5] There are several mines and resource centers of coal (Radljevo field - 344,000,000 tones, Zvizdar field - 280,000,000 tones), clay, sand, stone and limestone.

The biggest producer of quartz sand in Serbia is "Kopovi a.d.", with overall production of over 400,000 tones per year.