The 21 municipalities of the Lapland Region (Finnish: Lappi; Northern Sami: Sápmi; Swedish: Lappland) in Finland are divided on six sub-regions:

Eastern Lapland sub-region

• Kemijärvi
• Pelkosenniemi
• Posio
• Salla
• Savukoski (Northern Sami: Suovvaguoika)

Kemi-Tornio sub-region

• Kemi (Northern Sami: Giepma)
• Keminmaa
• Simo
• Tervola
• Tornio (Swedish: Torneå; Northern Sami: Duortnus)

Northern Lapland sub-region

• Inari (Inari Sami: Aanaar; Skolt Sami: Aanar; Northern Sami: Anár; Swedish: Enare)
• Sodankylä (Northern Sami: Soađegilli)
• Utsjoki (Northern Sami: Ohcejohka; Skolt Sami: Uccjokk)

Rovaniemi sub-region

• Ranua
• Rovaniemi (Northern Sami: Roavvenjárga)

Torne Valley sub-region

• Pello
• Ylitornio (Swedish: Övertorneå)

Fell Lapland sub-region

• Enontekiö (Northern Sami: Eanodat; Swedish: Enontekis)
• Kittilä (Northern Sami: Gihttel)
• Kolari
• Muonio

Former municipalities

• Rovaniemen maalaiskunta (Swedish: Rovaniemi landskommun), merged with Rovaniemi in 2006.
• Kemijärven maalaiskunta (Swedish: Kemijärvi landskommun), merged with Kemijärvi in 1973.
• Petsamo, ceded to the Soviet Union in 1944.