Amex certainly exists in Europe, but I am not sure if they are active in all European countries. I use the Amex card from KLM myself: https://www.klm.com/travel

Amex certainly exists in Europe, but I am not sure if they are active in all European countries. I use the Amex card from KLM myself: https://www.klm.com/travel/nl_en/flying_blue/flying_blue_american_express_card/flying_blue_american_express_cards/index.htm https://www.klm.com/travel/nl_en/flying_blue/flying_blue_ame...