[1] The Apolobamba mountain range traverses the district.

Other mountains are listed below:[2] Sina District was created on May 2, 1854.

The people in the district are mainly indigenous citizens of Quechua descent.

Quechua is the language which the majority of the population (80.79%) learnt to speak in childhood, 15.54% of the residents started speaking using the Spanish language (2007 Peru Census).

This Puno Region geography article is a stub.