If you are arrested in another country, you have the right to contact the Australian government. You can ask the police to contact us - they may not, unless you ask. Consular staff will do what they can to help, but they can't get you out of gaol, represent you in court or obtain special treatment for you. If you are arrested or gaoled overseas provides more information for travellers and their families. Nearly two hundred Australians are in gaol overseas.
Drugs are the main reason.
At some religious or cultural events or sites, special rules of conduct apply. In many countries, special protocols apply when visiting a private home. In some Islamic countries women's arms, legs and hair must be covered. Violating these standards can lead to unpleasantness or even arrest. In South East Asia, Buddhist temples and palaces have dress rules about covering limbs.