Dee ihe ga-aga n'ihu na paragraf a - Erden bụ onye na-agba bọọlụ oge niile n'egwuregwu mba Turkey. Ahụmịhe mba ụwa mbụ ya bịara na 2005 U20 European Championship nke emere na Moscow. O nwetara akara 10.4 na 8.0 rebounds na egwuregwu asaa maka Turkey. Na 2006 U20 European Championships, nke e mere na Izmir, Turkey, Erden nyeere Turkey aka inweta ọla ọcha, na-agbakọ 5.4 isi na 3.4 rebounds na egwuregwu asatọ. N'otu afọ ahụ, ọ nwetara ebe na ndị otu Turkey maka 2006 World Championship na Japan. O nyere 2.2 isi na 2.3 rebounds n'otu egwuregwu. N'asọmpi Iko Mba Yurop nke 2007
na Spain, Erden nwere akara 1.0 na 1.0 rebounds na egwuregwu ise ya.