Overview
Finnish and Swedish Lapland both offer world-class aurora. Rovaniemi is Finland's accessible Santa-and-aurora hub; Swedish Lapland centres on Kiruna and famous Abisko.
Clear skies
Abisko is renowned for its "blue hole" of clear sky; Rovaniemi's continental climate is also dry with many clear nights. Guided tours chase clear skies either way.
Access
Rovaniemi wins — direct Helsinki flights and the overnight train. Swedish Lapland is reached via Kiruna Airport plus transfers.
Activities & extras
Rovaniemi adds Santa Claus Village, Ranua and city variety; Swedish Lapland offers the ICEHOTEL and Abisko's Aurora Sky Station. Both are superb — Rovaniemi is easier for families and first-timers.