King’s College 2004 v Mistress Gunnvör sílfrahárr
35
Construction of Locatives with á
*Requires a dative object.
*Used in locatives in connection with proper names of countries, especially those ending in -land, for instance;
á Englandi, á Írlandi, á Skotlandi, á Bretlandi, á Groenlandi,
á Íslandi, á Saxlandi, á Vindlandi, á Viulandi, á Hálogalandi,
á Rogalandi, á Jótlandi, á Frakklandi, á Hjaltlandi,
á Jamtalandi, á Hvítramannalandi, á Norđrliindum, etc.
*Used in connection with other names of districts or counties: á Mćri, á Vörs, á Ögđum, á Fjölum (all  districts of Norway). From Landnámabók á Myrum (in Iceland), á Finnmörk, á Fjoni (a Danish island); but í Danmörk,
í Svipjóđ.
*Used also before names of Icelandic farms denoting open and elevated slopes and spaces (not too high, because then 'at' must be used), such as -stađr, -völlr, -ból, -hjalli,
-bakki, -heimr, -cyri, etc.: i.e. á Ţórisstöđum,
á Möđruvöllum, á Fitjum.
*Place-names in -nes or -fjörđr sometimes take á, sometimes í (in modern usage always í).