Tanja is a locality in the Bega Valley Shire of New South Wales, Australia.

[1] Tanja Public School is situated on Barrabooka Road.

[3] It dates from 1878, having originally begun in a room of the school teacher's own residence.

[4][5] Tanja Post Office opened on 1 September 1878 and closed on 28 August 1980.

[6] Tanja has a number of heritage-listed sites, including: