Saudi Ambassador to Spain Prince Mansour said that the choice of Spain by the Crown Prince to include in his current visit to the major world powers showed the depth and strength of the bilateral relations that bind the two great nations.
Meanwhile, the Legal Center for Rights and Development (LCRD), a human rights group based in the Yemeni capital Sana'a, on Tuesday filed a lawsuit in a Paris court against bin Salman, accusing him of complicity in torture and inhumane treatment in Yemen.
"If required by our alliance with our partners, we will be there", he said, according to the French translation of his remarks spoken in Arabic.
French President Emmanuel Macron said on Tuesday a decision on whether to carry out military strikes on Syrian chemical weapons' facilities would be made in the coming days after more consultations with the United States and Britain. "Yet we are attached to the respect of global law and especially humanitarian law in Yemen".
"We will continue to be extremely vigilant on this point", he said, while adding: "It is obvious that we will not tolerate any ballistic activity that threatens Saudi Arabia". Several rights groups also have warned of possible legal action if the government does not halt its sales.
Seventy-five per cent of French people want Macron to suspend arms exports to Saudi Arabia and the UAE, a YouGov poll found.
Prince Mohammed is scheduled to meet with Spain's King Felipe VI, who acceded to the throne in 2014, on Thursday morning before holding talks later in the day with Rajoy.
State oil giant Saudi Aramco earlier announced deals with major French companies including Total, Technip and Suez. Lebanese Prime Minister Saad Hariri, who was in Paris, attended.
The two leaders were expected to sign agreements and hold a joint news conference before a gala send-off dinner at the presidential Elysee palace.