The best-selling international album of 1999 in Poland is ABBA PATER by JOHN PAUL II which sold 239,000 copies.
Rank Artist Album Sales Released
1
JOHN PAUL II
ABBA PATER
239,000
1999
2
JOHN PAUL II
HOMILIE I MODLITWY PAPIEŻA JANA PAWŁA II
214,000
1999
Source: rzeczpospolita (rp.pl)