noun
several places; various locations; multiple points
Refers to a small, unspecified number of places or locations. Often used when describing damage, corrections, or scattered items.
台風で数か所の橋が壊れた。
Several bridges were damaged by the typhoon.
書類に数か所の誤りが見つかった。
Mistakes were found in several places in the document.
数箇国 means 'several countries', using the counter 箇国 (かこく) for nations, while 数か所 refers to places or locations in general.
Compound of 数 (すう, 'several') + か (counter particle, from 箇) + 所 (しょ, 'place'). The か is a simplified form of the counter 箇, commonly used in modern Japanese.