expression
here and there; around and about
Describes something scattered or occurring in various places; often used with verbs like ある, 見える, 咲く.
公園にはここかしこに花が咲いている。
Flowers are blooming here and there in the park.
彼の部屋には本がここかしこに積まれていた。
Books were piled up here and there in his room.
あちこち is more common and casual, also meaning 'here and there' or 'all over', but ここかしこ has a slightly more literary or descriptive feel.
Reduplicative compound of ここ (here) and かしこ (there, yonder), an old proximal-distal pairing.