Language: Many nations take immense pride in their mother tongue so try to learn at least greetings in the local language. On a general note, learning the number system and few words of regard in the local language will help immensely. Bargaining becomes essentially easier if you know the number system well so save some time to imbibe the language.

Crime

Europe: Though most of the luxury holidays are safe due to their strict and efficient law enforcements, some areas could turn bit patchy like Turkey because of the casinos.

Caribbean: The crime rate is slightly higher here due to the region being a tourism economy. Do not carry any valuable openly and do not explore regions all alone. Always have a local guide at your disposal.

Middle East: With extremely harsh law enforcement, crime here is almost in decimals. The region adheres to Islamic way of life and slightly western dressing might get you in trouble.

USA: A reason of worries for USA, the crime rate has increased in this nation. Though travellers have been a rare target, it's advisable to take precautionary steps to avoid any mishaps during your Luxury holidays.

Far East: Even with many cases of drunken driving and pilferages, it is said that place is safe if you stick to your tourist activities.

Indian Ocean: Mainly small islands including Maldives, Mauritius and Sri Lanka, the region has got safer since the last decade. Even the LTTE has been dismantled by the Sri Lankan government now and if you count the land down under Australia to fall in this segment, then Indian ocean is a serious contender for a very long break spanning multiple holiday destinations.

Africa: Crime rate in Africa is definitely high due to the bad economic situation of the region. Places like Dakar (Senegal), Nairobi (Kenya), Lagos (Nigeria) and Johannesburg (South Africa) are notorious for pick-pocketing, snatch-thefts and sometimes even violent muggings.

Do not forget to note down your Embassy's number for any emergency that may arise.