To, at, in a geographic area or place.
Indicates: 1) A village or town, babluy 1, but not a small housing cluster, hīgib: ad Bannāwol, `at Banaue', ad Bagābag `at Bagabag', ad Manīla `at Manila'. 2) A geographic area larger than a village, ad Balīwon, in the lowlands: ad Mindanāw `in Mindanao'. Various places mentioned only in oral folk literature and religious prayers: ad Dāya `in the heavens'; ad Dolom `in the underworld'. In topic position, ad is optionally preceded by di:
Dalāno' di ad (or ad) Umbūlu.
I will walk to Cambulo
In other distributions, such as in sentence comment or place margin positions, ad is optionally preceded by either hi1 4a or hay.
Immuy hi Bumallātung hi ad (or ad) Bannāwol an mungngīnah bābuy.
Bumallātung went to Banaue to buy a pig.
Hay ad Pula ya tungnin hi lawang.
At Pula it is cold during the rainy season.
For distribution of substantives marked by ad1, see sections 7.3.5 and 7.25.1.