Moving to a new country can be a culture shock for expats and there is a lot they will need to adapt to.
One woman who moved to Barcelona in Spain shared the water is something "no one talks about" but that she found an issue with.
Natasha Bergen said she struggled with the tap water very quickly after moving to Spain while speaking on her YouTube channel.
The expat explained while the tap water is "100 per cent safe" to drink, she stopped doing so soon after moving as she experienced some side effects.
An expat shared a warning about the water in Spain
NATASHA BERGEN/YOUTUBE/PA
Natasha said: "When I first moved here I thought 'yes, I'm going to drink tap water. It's free, it's not delicious but it's good and safe'.
"After a few months of drinking the tap water consistently, and I drink a lot of water... I noticed I was starting to get some weird things [happen].
"My hair was getting really dried out and I'd have this weird coating in my mouth, throat and teeth."
She added: "There's a lot of lime in the water and it's very hard. You might get some unpleasant effects."
The expat explained she now only drinks filtered water in Spain. The Spanish government states tap water is fine to drink.
However this can vary in certain areas. Even where it is safe to drink, many in the country prefer the taste of bottled water.
Spain is a sought-after destination for British expats due to its stunning beaches, beautiful weather and the ease of settling in.
Another expat who moved to Spain shared a warning about accommodation that everyone should know before heading there.
She said searching for a place to live is "difficult" in Spain as there is a lot of demand and the buildings are not always modern.
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Water is safe to drink in Spain but many people will choose not to do so
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The expat said: "Searching for an apartment in Barcelona is very difficult. It is not easy because of the fact that there are loads of people, local Spanish as well as international.
"The apartment buildings, for the most bit, are pretty old. There are two main problems with the old apartments.
"A lot of them don't have air conditioning which I will tell you, in the Spanish summertime you will sweat."
She added having older buildings means it is difficult to control the temperature as they are often very hot in the summer and cold in the winter.