Algiers is the capital city of Algeria with a population of around 4 million people. The old part of the town is built on the slope of a steep hill which is crowned by a Casbah at the top. The modern part of the city is built just above sea level on ground which is much flatter. Many international airlines fly to Algiers and you can reach this amazing city with flights from Belfast, Paris and many other European cities. If you are looking for a cheap Algiers flight, be sure to use our online comparison tool first. A holiday to Algiers will give you the opportunity to enjoy the many attractions that this city boasts. The entire Kasbah quarter is home to some amazing pieces of architecture and the numerous mosques and cathedrals make for some exceptional viewing. As Algeria is a Muslim country, it is advisable that women dress modestly and do not wear any garments that may be regarded as provocative.