Altitude. Mexico-City is in average 2,240 meters above sea level. while
Visa and vaccines. Consult the appropriate local agencies of your city, country or region if you have questions about the need for a visa and for some type of vaccine to enter Peru.
Currency in Mexico. The currency in Mexico is the Peso Mexicano.
Potable water. Water in Mexico is of good quality, but as is the case in many Latin American countries, water purification may not be suitable for people from Europe or the USA. For this reason, it is recommended to take mineral water even for brushing the teeth.