Wikipedia - Naisten Ykkönen

Naisten Ykkönen (Swedish: Damettan, Women's First/One) is the second highest division of women's football in Finland. It is overseen by the Suomen Palloliitto (Football Association of Finland). Teams in Naisten Ykkönen can gain promotion to the top-tier Kansallinen Liiga or be relegated to the third-tier Naisten Kakkonen. At the conclusion of the 2019 season, PK-35 Vantaa gained promotion to the Kansallinen Liiga as champions of the Naisten Ykkönen and PK-35 gained promotion by winning the promotion/relegation series against IK Myran. Conversely, GBK Kokkola and Ilves/2, were relegated to the Naisten Kakkonen at the conclusion of the 2019 season.