The duo will arrive in Cairo on a private plane on 3 January.
The Egyptian left the game against Liverpool in tears, 10 minutes before the final whistle, and was replaced by Jacob Ramsey.
Egypt faces Kenya on Thursday in Matchday 5 of the Africa Cup of Nations qualifiers.
The Egyptian winger has been linked with a move to the Turkish club since his time with Kasımpaşa between 2017 and 2019.
Aston Villa player Mahmoud Hassan "Trezeguet" expressed his satisfaction for his contribution to the survival of his team in the Premier League.
The Egyptian winger has been sensational for his club during the last two weeks.
The Egyptian midfielder blasted home in the 27th minute and it proved enough for Villa to move above Watford on goal difference after they were thrashed by Manchester City earlier.
Aston Villa coach Dean Smith praised his Egyptian player Mahmoud Hassan "Trezeguet", who led the team to a 2-0 victory over Crystal Palace.
According to Turkish reports, the biggest two clubs in Turkey are interested in signing the Egyptian winger.
The Egyptian winger had a magnificent spell in Turkey where he wore Kasimpasa's jersey for two seasons.
The Egyptian took his team to Wembley as he scored a late winner against Leicester City at the semi-final to set up a final with Manchester City.
For the fourth consecutive game, Trezeguet starts on the bench and he is expected to take part in the game during the second half.
Trezeguet’s goal against Leicester won the club’s Goal of The Month award for January.
Mahmoud Hassan, "Trezeguet", Aston Villa's Egyptian star, wishes to participate in the Tokyo 2020 Olympics, which the Egyptian Olympic team qualified for.
In the last moments of the League Cup semi-final, Mahmoud Hassan "Trezeguet" killed Leicester City's hopes of qualifying for the final of the tournament with a deadly goal, and also from an Egyptian assist by Ahmed Al-Muhammadi.
Aston Villa are seeking for their first appearance at League Cup Final since 2010.
Salah faced Elmohamady many times but he will face Trezeguet for the first time as the latter joined the Premier League last summer from the Turkish League.
Aston Villa host Premier League leaders, Liverpool, on Saturday at the Premier League.
Aston Villa, where Trezegeuet and Ahmed El mohammady play, ended their match against Burnley with a 2-2 draw which took place at Villa Park stadium in the 7th round of the English Premier League.
EFL Cup round of 16 draw put Aston Villa against Premier League side, Wolverhampton Wanderers.