Complex sentence: The album entered the US Billboard top 200 at No.7, charted in UK (No.13), Netherlands (No.10) and Germany (No.15) and hit the iTunes Top 10 in more then 20 countries.
Split into simpler sentences: The album entered the US Billboard top 200 at No.7. It also entered the UK pop charts at No.13, the Dutch charts at No.10 and the German charts at No.15 and hit the iTunes Top 10 in more then 20 countries.