Třebom is the most northern municipality in the district of Opava. It is situated on the Czech – Polish border in 226m above sea level. The stream Pština goes through this village and Třebom is one of the smallest villages in the region – only 220 inhabitants live there.
The dominating feature is the St. George Church from the end of the 18th century. Not far from here you can find the newly reconstructed chapel of St. Anna. The teacher and compositor Josef Heimann (1830 – 1890) was born in Třebom, he was en editor of many songs of a local hymn book. It is one of a few proofs of existence of Czech singing in the region Hlučínsko in the 19th century. Třebom is mostly an agricultural village.