Th e article reveals the semantics and symbols of Gagauz dwelling and of its important parts. Th e analysis of the interior space semiotics is carried out on two planes — a horizontal and vertical one. Th e most signifi cant oppositions are the following: exterior-interior, centre-periphery, top-bottom, open-closed. Th e semiotics of Gagauz dwelling’s parts and their role unfold the system of the popular view of the world and of man’s daily life in such environment. A traditional Gagauz dwelling is represented by two parts: living rooms and a non-residential room (a symbolic centre of the house), which diff ers in its national decoration. In each room, the main semantic meaning is carried by iconostasis, the triadic structure of which replicates the structure of the universe and symbolizes the connection between heaven and earth. Th e three-part division of the house (the living room, the attic and the basement) also repeats the common understanding of the universe triad (heaven, earth and underworld).