Aslan's political journey began in 1999 when he was elected as a municipal council member for Küçükçekmece, Istanbul.
Acting mayor of Istanbul With the suspension of
Ekrem İmamoğlu, Aslan's nomination as the CHP candidate for acting Mayor of Istanbul was made to ensure continued governance by the municipality and to block the
government from appointing a AKP-aligned trustee. Following three rounds of voting, Aslan secured victory with 177 votes, surpassing his
AKP rival, Zeynel Abidin Okul, who received 125 votes. Aslan, alongside CHP leader
Özgür Özel, said the position was entrusted to him temporarily and that he will continue the work Imamoglu has done, expressing full support for his previous work. == Personal life ==