Rank Location Elevation Region Population
1 Hörgársveit 630 m Norðurland eystra 937
2 Bláskógabyggð 226 m Suðurland 1,453
3 Grímsnes- og Grafningshreppur 80 m Suðurland 658
4 Flóahreppur 33 m Suðurland 741
5 Kópavogsbær 8 m Höfuðborgarsvæði 40,040
6 Mosfellsbær 0 m Höfuðborgarsvæði 13,772

The elevation is the height above sea level given in the Wikipedia infobox, usually measured at the centre of the place – not the highest point of the municipal area. The reference level follows the respective country (Germany NHN, Austria Adriatic, Switzerland sea level).

Albania AL Andorra AD Austria AT Belarus BY Belgium BE Bosnia and Herzegovina BA Bulgaria BG Croatia HR Cyprus CY Czechia CZ Denmark DK Estonia EE Finland FI France FR Germany DE Greece GR Hungary HU Iceland IS Ireland IE Italy IT Kosovo XK Latvia LV Liechtenstein LI Lithuania LT Luxembourg LU Malta MT Moldova MD Monaco MC Montenegro ME Netherlands NL North Macedonia MK Norway NO Poland PL Portugal PT Romania RO Russia RU San Marino SM Serbia RS Slovakia SK Slovenia SI Spain ES Sweden SE Switzerland CH Turkey TR Ukraine UA United Kingdom GB