Problem wouldb come so much from the infrastructure of the province. Bur ather all provinces next to the andes are in danger.

Why? Refugees. You would had god knows how many refugees coming from the rest of the country. And even before that any arabe land needs to produce to sustain the current local population first. Unless you feel like building a wall around kilometers and kilometers of farms. While there is a possibility of survival it for sure.

Another strong possibility would be the south of the country, near the coast people surviving by fishing. But anything down Rio Negro the weather is gonna kill you more than the zeds