Read before you contact anyone. Across most of Europe the legitimate path is diagnosis first: two morning blood draws showing low testosterone plus symptoms, then treatment. Age-related decline alone is often not enough to qualify. Rows marked Route / verify mean no reputable dedicated clinic with a web presence was found for that city — not that none exists; start from the hospital or specialist named and confirm. Details change, so verify the current address and phone before reaching out. This directory is member-maintained information, not medical advice or an endorsement.