olemus
hoonestusüksus

Wiktionary:
4. a contiguous group of urban lots of property, typically several acres in extent, not crossed by public streets
I'm going for a walk around the block.
the distance from one street to another in a city or suburb that is built (approximately) to a grid pattern
The place you are looking for is two long blocks east and one short block north.

ülevaateid
https://en.wikipedia.org/wiki/City_block