Room or appartment for 2 persons in Germany

About this listing

I am looking a room or appartment for me and my mouther in Germany​,​ any region​,​ but preferably Baden-Wurttemberg. Me: 44 year old​,​ Ukrainian from Kiev jornalist​,​ English B1​,​ German 1A. My mouther: 70 year old​,​ pensioner. Place: we can live in as in sity and as in villige​,​ so looking not expensive variant (till 400 euro).