On 15 May 2017, RTP confirmed Lisbon as the host city, but clarified the following day that no final decision had yet been made regarding both the host city and the venue.
On 15 May 2017, RTP confirmed Lisbon as the host city, with MEO Arena as the potential venue, as suggested by EBU. However, the following day, broadcaster officials clarified that no decision had yet been made regarding both the host city and the venue.