PAOK won the Greek league with a round to spare after beating Levadiakos 5-0.
Yevhen Shakhv scored twice for the hosts, along with goals from Diego Biseswar, Fernando Varela and Karol Swiderski.
With one round left, PAOK is five points ahead of second-place Olympiakos.
PAOK fans cheer on their team during a Greek Super League soccer match against Levadiakos in Thessaloniki, northern Greece, on Sunday, April 21, 2019. (AP PhotoGiannis Papanikos)
This is the third league championship for PAOK, after 1976 and 1985 titles.
A huge celebration at the city's waterfront was planned later Sunday.
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PAOK fans cheer on their team during a Greek Super League soccer match against Levadiakos in Thessaloniki, northern Greece, on Sunday, Apr. 21, 2019. (AP PhotoGiannis Papanikos)