contiguous

(s) very close or connected in space or time
- contiguous events
- immediate contact
- the immediate vicinity
- the immediate past
immediate,
(s) connecting without a break; within a common boundary
- the 48 conterminous states
- the contiguous 48 states
conterminous,
(s) having a common boundary or edge; abutting; touching
- Rhode Island has two bordering states; Massachusetts and Conncecticut
- the side of Germany conterminous with France
- Utah and the contiguous state of Idaho
- neighboring cities
neighboring, adjacent, conterminous,

immediate conterminous neighboring adjacent

contiguousness