Lohsa (German, ) or à Âaz (Upper Sorbian, ) is a municipality in the district of Bautzen, in Saxony, in eastern Germany.
The municipality is part of the recognized Sorbian settlement area in Saxony. Upper Sorbian has an official status next to German, all villages bear names in both languages.
The Sorbian population of the village was 358 in 1840, 355 in 1860, and 400 in 1880.
Several villages belong to the municipality (names given in German/Upper Sorbian):
The municipality of Lohsa has a primary school in GroàSärchen and a secondary school.
To the east of the municipality runs the B 156, to the west the B 96, via which the B 97 to the northwest can be reached.
Lohsa/à Âaz railway station is connected to the Niesky-Hoyerswerda(-Falkenberg (Elster)-RoÃÂlau (Elbe)) railway line by a demand stop. The RB 64 line (Hoyerswerda-Görlitz) operates here as the Seenland-Neisse-Shuttle.