Blues will play two Portuguese sides during their training camp.BCFC
Blues will face CD Cova da Piedade on Thursday, 11 July at Estádio do Bonfim (8pm).
Then on Saturday, 13 July they will test themselves against Vitória de Setúbal at Estádio do Bonfim (6pm).
During their week-long stay in Portugal, which begins on Sunday, 7 July, Blues will undergo a private training camp at the One Troia Jose Mourinho Training Centre.
Based at the tip of the Peninsula de Troia, which is about 35 miles south of Lisbon, the training complex is a modern, purpose-built facility used by many European teams, including Benfica.
Blues games are both at the Vitória de Setúbal stadium (Estádio do Bonfim) which is across the Sado estuary from where the squad will train.
CD Cova da Piedade, who are based in the Almada region of Portugal, play in LigaPro, which is the second tier of Portuguese football.
Managed by Miguel Leal, they finished in 13th place in last season's campaign.
Meanwhile, Vitória ply their trade in the top-flight Primeira Liga; in which they also finished 13th last season.
They are managed by their former midfield player Sandro Mendes.
Ticket details for both games will be confirmed in due course.