Dance double din to single din

Hey im new to this i have a skoda fabia 1.4tdi with the dance radio in i am looking to change it to my old single din cd player i know i need the facia adapter i was wondering if i needed anything else like harness (if so what one) or areial adapter (once again if so which one) ive tried looking all over the net but couldnt find anything.

Thanks in advance