Retiring to Europe can be a dream for many couples. But did you know there are some European cities where you can live on just your Social Security? The current monthly Social Security benefit hovers around $4,000 for a couple, and the cost of living in some areas of Europe is lower than you might think — meaning you don't have to lose sleep over draining your retirement savings. Take a look at these eight beautiful European cities where you can live for less — and enjoy a little more culture in your golden years. Editor's note: Housing costs are for one-bedroom apartments located outside of city centers, sourced from Numbeo.