The Irish are very nice and outgoing people. They are quite friendly so don’t be surprised if some stranger comes up to you and starts chatting you up. That’s completely normal. Handshakes are the traditional way of greeting but kissing on the cheeks is also gaining popularity. If you happen to? be friendly with a group? in a pub, it is a good idea to buy drinks for all of them. There is a government imposed ban on smoking in the workplace. Smoking is also not allowed in banks, shops, pubs, restaurants and many other public places.