Which preposition to use with dunvegan

as Occurrences 1%

He acknowledges Macleod of Dunvegan as his chief, though his ancestors have formerly disputed the pre-eminence.'

in Occurrences 1%

[640] Sir Walter Scott thus describes Dunvegan in 1814:'The whole castle occupies a precipitous mass of rock overhanging the lake, divided by two or three islands in that place, which form a snug little harbour under the walls.

Which preposition to use with  dunvegan