岩間 is read as いわま (iwama) and means among rocks.
いわま
iwama
がんえん
halite
いわ
anchor
いわや
cavern
いわやま
rocky mountain
がんせき
rock
いわば
rocky area
いわと
rock door (to a cave)
いわはだ
bare rock
いわてけんりつだいがく
Iwate Prefectural University
いわてだいがく
Iwate University
いわていかだいがく
Iwate Medical University
いわてけん
Iwate Prefecture (Tōhoku area)