γειτονία

A. neighbourship, πικρὰ γ. Pl. Lg. 843c, cf. Arist. Rh. 1395b9; neighbouring region, Plot. 4.4.19.

2. quarter, ward, in a city, J. BJ 7.4.1:— hence γειτον‐ίαρχος, ὁ, chief official of a ward, Hsch. s.v. ῥεγεονάριος.